MUSSELp
 
MUSSELpdb
 
 
Taxonomy
 
 
Geography
 
 
 

Page last updated
Thu 17 July 2025

The Freshwater Mussels (Unionoida) of the World (and other less consequential bivalves)

FM(U)otW(aolcb) is the web version of the MUSSEL Project Database. Follow the links to browse the data or use the custom Google search field. Either way, you win!


Bivalvia | ... | Unionidae | Ambleminae | Lampsilini | Epioblasma

species Epioblasma flexuosa (Rafinesque, 1820): synonymy
     2 specimens

Obliquaria (Quadrula) flexuosa Rafinesque, 1820
Rafinesque, 1820. Ann. Gén. Sci. Phys. 5 (13): 306 [also as ‘Unio flexuosa’].
Rafinesque, 1864. [in] Binney & Tryon, reprint: 50.
Type(s): LECTOTYPE ANSP_20249, Kentucky River.

Simpson (1900), Simpson (1914)
Truncilla flexuosaVanatta (1915)
Dysnomia (s.s.) flexuosaOrtmann & Walker (1922), Frierson (1927), Haas (1930), Haas (1969), Haas (1969)
Dysnomia flexuosaF.C. Baker (1928), Stansbery (1970), Burch (1975)
Plagiola (Epioblasma) flexuosaMorrison (1969), R.I. Johnson (1978)
Plagiola flexuosaR.I. Johnson (1980)
Epioblasma flexuosaTurgeon et al. (1988), Cummings & Mayer (1992), Williams et al. (1993), Bogan (1993), Cummings & Mayer (1997), ... Haag (2012), Williams et al. (2017), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023)

Obliquaria (Quadrula) flexuosa var. bullata Rafinesque, 1820
Rafinesque, 1820. Ann. Gén. Sci. Phys. 5 (13): 307.
Rafinesque, 1864. [in] Binney & Tryon, reprint: 51.
(intro'd as intra-sp. of Obliquaria (Quadrula) flexuosa Rafinesque, 1820)

Epioblasma flexuosaWatters et al. (2009)

Unio foliatus Hildreth, 1828
Hildreth, 1828. Amer. J. Sci. 14: 284, figs. 16a-b.

Truncilla (Dysnomia) foliataSimpson (1900), Simpson (1914)
Unio (s.s.) foliatusCall (1900)
de Gregorio (1914)
Truncilla flexuosaVanatta (1915)
Dysnomia (s.s.) flexuosaOrtmann & Walker (1922), Frierson (1927), Haas (1930), Haas (1969)
Dysnomia flexuosaF.C. Baker (1928), Burch (1975)
Epioblasma (s.s.) foliatumThiele (1934)
Plagiola (Epioblasma) flexuosaMorrison (1969), R.I. Johnson (1978)
Epioblasma flexuosaParmalee & Bogan (1998), Williams et al. (2008), Watters et al. (2009)

Unio flexuosus Conrad, 1835
‘Rafinesque’ of Authors.
Conrad, 1835. Monogr. Fam. Unionidae 1(1): 8, pl. 6, fig. 2.
Reeve, 1864. Conch. Icon. 16: pl. 6, sp. 22; pl. 13, fig. 53.
(reference to Obliquaria (Quadrula) flexuosa Rafinesque, 1820)

Truncilla (Dysnomia) foliataSimpson (1900), Simpson (1914)

Unio (Cunicula) foliacia Swainson, 1840
‘Say’ Swainson, 1840. Treat. Malacol.: 274.
(error for Unio foliatus Hildreth, 1828)

Taxonomic History (since 1900)

Simpson (1900), Simpson (1914), de Gregorio (1914)
Truncilla (Dysnomia) foliataSimpson (1900), Simpson (1914)
Unio (s.s.) foliatusCall (1900)
Truncilla flexuosaVanatta (1915)
Dysnomia (s.s.) flexuosaOrtmann & Walker (1922), Frierson (1927), Haas (1930), Haas (1969), Haas (1969)
Dysnomia flexuosaF.C. Baker (1928), Stansbery (1970), Burch (1975)
Epioblasma (s.s.) foliatumThiele (1934)
Plagiola (Epioblasma) flexuosaMorrison (1969), R.I. Johnson (1978)
Plagiola flexuosaR.I. Johnson (1980)
Epioblasma flexuosaTurgeon et al. (1988), Cummings & Mayer (1992), Williams et al. (1993), Bogan (1993), Cummings & Mayer (1997), ... Haag (2012), Williams et al. (2017), Graf & Cummings (2021), FMCS (2021), Hopper et al. (2023)

 
NSF icon MUSSEL icon
"Making the world a better place, one mollusk at a time."